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Finding the Fourth Proportional to 110,114.80, 151,955.87 and 64,171.51

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Solution

The fourth proportional to 110,114.80, 151,955.87 and 64,171.51 is: 88,555.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,114.80 : 151,955.87 = 64,171.51 : x
  2. Step 2: Convert to fraction form
    110,114.80/151,955.87 = 64,171.51/x
  3. Step 3: Cross multiply
    110,114.80x = 151,955.87 × 64,171.51
  4. Step 4: Simplify right side
    110,114.80x = 9,751,238,146.23
  5. Step 5: Solve for x
    x = 9,751,238,146.23/110,114.80
  6. Step 6: Final answer
    x = 88,555.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.